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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
#Vulnerability title: ProjectSend r561 - SQL injection vulnerability
#Product: ProjectSend r561
#Vendor: http://www.projectsend.org/
#Affected version: ProjectSend r561
#Download link: http://www.projectsend.org/download/67/
#Fixed version: N/A
#Author: Le Ngoc Phi (phi.n.le@itas.vn) & ITAS Team (www.itas.vn)


::PROOF OF CONCEPT::

+ REQUEST:
GET /projectsend/users-edit.php?id=<SQL INJECTION HERE> HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:35.0) Gecko/20100101
Firefox/35.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: 54f8105d859e0_SESSION=q6tjpjjbt53nk1o5tnbv2123456;
PHPSESSID=jec50hu4plibu5p2p6hnvpcut6
Connection: keep-alive


- Vulnerable file: client-edit.php
- Vulnerable parameter: id
- Vulnerable code: 
if (isset($_GET['id'])) {
  $client_id = mysql_real_escape_string($_GET['id']);
  /**
   * Check if the id corresponds to a real client.
   * Return 1 if true, 2 if false.
   **/
  $page_status = (client_exists_id($client_id)) ? 1 : 2;
}
else {
  /**
   * Return 0 if the id is not set.
   */
  $page_status = 0;
}

/**
 * Get the clients information from the database to use on the form.
 */
if ($page_status === 1) {
  $editing = $database->query("SELECT * FROM tbl_users WHERE
id=$client_id");
  while($data = mysql_fetch_array($editing)) {
    $add_client_data_name = $data['name'];
    $add_client_data_user = $data['user'];
    $add_client_data_email = $data['email'];
    $add_client_data_addr = $data['address'];
    $add_client_data_phone = $data['phone'];
    $add_client_data_intcont = $data['contact'];
    if ($data['notify'] == 1) { $add_client_data_notity = 1; }
else { $add_client_data_notity = 0; }
    if ($data['active'] == 1) { $add_client_data_active = 1; }
else { $add_client_data_active = 0; }
  }
}



::DISCLOSURE::
+ 01/06/2015: Detect vulnerability
+ 01/07/2015: Contact to vendor
+ 01/08/2015: Send the detail vulnerability to vendor - vendor did not reply
+ 03/05/2015: Public information

::REFERENCE::
-
http://www.itas.vn/news/itas-team-found-out-a-SQL-Injection-vulnerability-in
-projectsend-r561-76.html


::DISCLAIMER::
THE INFORMATION PRESENTED HEREIN ARE PROVIDED ?AS IS? WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, ANY
IMPLIED WARRANTIES AND MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
OR WARRANTIES OF QUALITY OR COMPLETENESS. THE INFORMATION PRESENTED HERE IS
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Best Regards,
---------------------------------------------------------------------
ITAS Team (www.itas.vn)